Subaru WRX STI Drivetrains

Essential Subaru WRX STI Drivetrains

Dorman – Rear Drive Shaft (Part No.986-058)

Rear Drive Shaft

from

$813.99
Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.

Product Features:
  • Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance.
  • 100% new – this drive shaft is made from all new components so there’s no core charge or return hassle.
  • Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
  • Serviceable construction – non-staked universal joints are designed for future serviceability
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Carquest Premium – New CV Axle Assembly (Part No.NCV922591)

New CV Axle Assembly

from

$111.99
Manufactured to be an OE replacement, CV axles use 100% new materials and are engineered for ease of installation and long service.

Product Features:
  • All New Materials
  • Engineered for OE Fitment
  • -40 Degree Rated CV Boots
  • Moly-Blend Grease in inner and outer joints
  • New nut and mounting hardware included if required
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National – Bearings (Part No.32307)

Bearings

from

$51.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

from

$39.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart) (Part No.11744)

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

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$12.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 1 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with royal purple’s proprietary additive technology
  • Hmx is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
  • High-Mileage Formula: Specifically designed for engines with more than 75,000 miles, this full synthetic engine oil helps minimize wear and restore lost performance.
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Dorman – Spindle Nut M22-1.5 Hex Size 32mm (sold by each) (Part No.615-160)

Spindle Nut M22-1.5 Hex Size 32mm (sold by each)

from

$5.99
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Spindle Nut M22-1.5 Hex Size 32mm (Part No.615-160.1)

Spindle Nut M22-1.5 Hex Size 32mm

from

$6.99
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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National – Multi Purpose Seal (Part No.1173)

Multi Purpose Seal

from

$12.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Ishino Stone – Pinion Seal (Part No.J7010259666ISH)

Pinion Seal

from

$8.13
Pinion Seal

Driveworks – Differential Seal (Part No.S-223255)

Differential Seal

from

$7.49
Product Features:
  • Brand may vary by location
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National – Axle Diff. Seal (Part No.711090)

Axle Diff. Seal

from

$14.29
Axle Diff. Seal

Whiteline – Differential Mount In Cradle Bushing (Part No.KDT940)

Differential Mount In Cradle Bushing

from

$48.99
Whiteline’s differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.

Product Features:
  • Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
  • Specially bonded design for optimised strength typically required in high load bearing applications.
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Whiteline – Differential Mount In Cradle Bushing (Part No.KDT906)

Differential Mount In Cradle Bushing

from

$69.99
Whiteline’s differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.

Product Features:
  • Featuring premium anodized alloy materials, Whiteline alloy products are anodized providing a long-lasting protective barrier to corrosion and wear but they look great too.
  • Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
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Dorman – Engine Oil Drain Plug (Part No.A61101669326DOR)

Engine Oil Drain Plug

from

$4.90
Dorman’s Oil Drain Plugs are coated for high corrosion resistance and a long service life. Many styles are available, including standard, inset gasket, molded gasket, magnetic, and pilot point.

Product Features:
  • Direct replacement for a proper fit every time
  • Dorman’s oversized, piggyback, and rubber expanding plugs eliminate the need to replace the entire pan, saving you time, labor and money
  • Our Oil Drain Plugs are designed and constructed to strict engineering quality standards
  • Oil Drain Plugs are also included with many of Dorman’s Engine Oil Pans
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EMPI – Clamp – CV Boot (Part No.4I25091156EMP)

Clamp - CV Boot

from

$2.27
Clamp – CV Boot

EMPI – Clamp – CV Boot (Part No.4I25091157EMP)

Clamp - CV Boot

from

$2.39
Clamp – CV Boot

Ohno – Clamp – CV Boot (Part No.4I250142473OHN)

Clamp - CV Boot

from

$5.61
Clamp – CV Boot

National – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

from

$41.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

EMPI – Axle Shaft Nut (Part No.K403059357EMP)

Axle Shaft Nut

from

$5.11
The EMPI Axle Shaft Nut is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Helping You Find the Right Drivetrains for Your Subaru WRX STI

You love your WRX STI. So we’ve made it easier than ever to help you find Subaru WRX STI Drivetrains in our online catalog. Our inventory holds 40 aftermarket and OEM Drivetrains for your Subaru WRX STI, ranging from $2.27 to $813.99.

We offer parts from 14 brands trusted to make quality Drivetrains for your Subaru WRX STI. Before you buy, take some time to read through customer reviews. We currently have 5,976 reviews of Subaru WRX STI Drivetrains from previous customers.

Find your WRX STI Drivetrains here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Subaru WRX STI part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Drivetrains Brands for Your Subaru WRX STI

Our inventory holds Drivetrains for your Subaru WRX STI from 14 trusted brands. You’ll find OEM and aftermarket parts from brands like Valvoline, Royal Purple, and Idemitsu, all of which can keep that Subaru happy.
We have National parts available for your Subaru WRX STI in categories like Differentials. Some of the top-rated National parts in these categories are:
Shaft Repair Sleeve
from $39.99
(1)
Shaft Repair Sleeve
Pinion Shaft Seals
Bearings
from $51.99
(1)
Bearings
Front Differential Pinion Bearings

Top-Rated Valvoline Drivetrains

Leading Valvoline Drivetrains

We carry Valvoline brand parts for your Subaru WRX STI across several catalog categories, including Differentials. Some of our most reviewed Valvoline parts include:
Transfer Case Fluid, 1 Quart
from $14.99
(36)
Transfer Case Fluid, 1 Quart
Differential Oil
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Differential Oil